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CVE-2026-51540

AI Predicted 8.8 Difficulty: Easy EPSS 0.38% · P30

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProductVersion RangeStatus
n/an/an/aaffected
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I. Basic Information for CVE-2026-51540

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages (SendUnitData).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
EIPStackGroup OpENer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EIPStackGroup OpENer是EIPStackGroup的一款开源的 EtherNet/IP 协议栈，专为 I/O 适配器设备设计，支持多 I/O 和显式连接，帮助开发者快速构建符合 ODVA 规范的 EtherNet/IP 合规产品。 EIPStackGroup OpENer 2.3.0版本存在安全漏洞，该漏洞源于在处理连接的显式消息（SendUnitData）时存在整数下溢，可能导致严重的内存损坏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
-n/a n/a -

II. Public POCs for CVE-2026-51540

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2026-51540

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Vendor Advisories for CVE-2026-51540 (1)

Security Blog Posts for CVE-2026-51540 (1)

Same Patch Batch · n/a · 2026-07-13 · 15 CVEs total

CVE-2026-155165.6 MEDIUMMacCMS Pro Installation Index.php step5 authorization
CVE-2026-155305.3 MEDIUMWuzhiCMS Attachment API index.php listimage information disclosure
CVE-2026-155334.7 MEDIUMDedeCMS Column Management search.php code injection
CVE-2026-156053.1 LOWwandb Artifact Integrity Validation hashutil.py ArtifactManifestEntry.download weak hash
CVE-2026-26396OpenBMB XAgent 路径遍历漏洞
CVE-2025-45869LogicalDOC Enterprise 服务端请求伪造漏洞
CVE-2026-52533D-Link DIR-1253 安全漏洞
CVE-2026-51539Stéphane Raimbault libmodbus 安全漏洞
CVE-2026-51536EIPStackGroup OpENer 安全漏洞
CVE-2026-51821Shenzhou Shihan Technology Video Conference System 安全漏洞
CVE-2026-51537EIPStackGroup OpENer 安全漏洞
CVE-2026-51538EIPStackGroup OpENer 安全漏洞
CVE-2026-51541EIPStackGroup OpENer 安全漏洞
CVE-2026-39042MikroTik RouterOS 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-51540

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